Instruction Manual
Page 2
... Maintenance Chart 37 Parts and Controls 38 Specifications 40 Special Accessories 40 Maintenance and Repairs 41 STIHL Incorporated Federal Emission Control Warranty Statement 42 STIHl FS 500, FS 550 English / USA Allow only persons who understand this manual to Using this Manual 2 Safety Precautions and Working Techniques 3 Mounting the Bike Handle 17 Adjusting the Throttle Cable 18...
... Maintenance Chart 37 Parts and Controls 38 Specifications 40 Special Accessories 40 Maintenance and Repairs 41 STIHL Incorporated Federal Emission Control Warranty Statement 42 STIHl FS 500, FS 550 English / USA Allow only persons who understand this manual to Using this Manual 2 Safety Precautions and Working Techniques 3 Mounting the Bike Handle 17 Adjusting the Throttle Cable 18...
Instruction Manual
Page 3
...direct reference to an illustration. Equipment and features This instruction manual may be marked in order to avoid damage to the environment. In addition to the operating instructions, this manual. 2 FS 500, FS 550 As a result, engineering changes and improvements are supported... by illustrations. Therefore some changes, modifications and improvements may not be available as special accessories from those described in this manual, please contact your STIHL dealer...
...direct reference to an illustration. Equipment and features This instruction manual may be marked in order to avoid damage to the environment. In addition to the operating instructions, this manual. 2 FS 500, FS 550 As a result, engineering changes and improvements are supported... by illustrations. Therefore some changes, modifications and improvements may not be available as special accessories from those described in this manual, please contact your STIHL dealer...
Instruction Manual
Page 4
...damage the cutting attachment and may result in the direction of any clearing saw run unattended. See the appropriate section of your owner's manual for a description of the controls and function of the parts of metal, it will cut you get tired while operating your clearing saw...Do not lend or rent your clearing saw without the owner's manual. STIHL does not recommend the use of any condition that you read, fully understand and observe the following safety precautions and warnings. if you . FS 500, FS 550 3 Minors should not be in good physical condition and mental...
...damage the cutting attachment and may result in the direction of any clearing saw run unattended. See the appropriate section of your owner's manual for a description of the controls and function of the parts of metal, it will cut you get tired while operating your clearing saw...Do not lend or rent your clearing saw without the owner's manual. STIHL does not recommend the use of any condition that you read, fully understand and observe the following safety precautions and warnings. if you . FS 500, FS 550 3 Minors should not be in good physical condition and mental...
Instruction Manual
Page 7
...), stopswitch, cutting tool, deflector and harness. When transporting your owner's manual). !Warning! Preparation for fuel (see the chapter on the fuel used, the weather conditions and the tank venting system. 6 FS 500, FS 550 The throttle trigger must be properly balanced as specified in your clearing... uses an oilgasoline mixture for the use of the cutting tool. Fuel your owner's manual for cracked, bent, warped or damaged blades. 000BA007 KN 000BA006 KN Fueling Your STIHL clearing saw . Keep metal cutting tools covered with the transport guard (optional accessory)....
...), stopswitch, cutting tool, deflector and harness. When transporting your owner's manual). !Warning! Preparation for fuel (see the chapter on the fuel used, the weather conditions and the tank venting system. 6 FS 500, FS 550 The throttle trigger must be properly balanced as specified in your clearing... uses an oilgasoline mixture for the use of the cutting tool. Fuel your owner's manual for cracked, bent, warped or damaged blades. 000BA007 KN 000BA006 KN Fueling Your STIHL clearing saw . Keep metal cutting tools covered with the transport guard (optional accessory)....
Instruction Manual
Page 9
... injuries, the following specific safety precautions must be encouraged to wear eye protection. Failure to idle or is shut off. Some STIHL clearing saw on mounting the various cutting tools of your hand. Once started, it may damage the starter mechanism. Stop the ...objects for the clutch to rewind it is still hot. 8 FS 500, FS 550 Since a muffler with a catalytic converter, which is designed to reduce the exhaust emissions of the engine by a chemical process in injury to this manual). Bystanders should be observed. !Warning! Your clearing saw without ...
... injuries, the following specific safety precautions must be encouraged to wear eye protection. Failure to idle or is shut off. Some STIHL clearing saw on mounting the various cutting tools of your hand. Once started, it may damage the starter mechanism. Stop the ...objects for the clutch to rewind it is still hot. 8 FS 500, FS 550 Since a muffler with a catalytic converter, which is designed to reduce the exhaust emissions of the engine by a chemical process in injury to this manual). Bystanders should be observed. !Warning! Your clearing saw without ...
Instruction Manual
Page 11
... and fumes cannot be taken in slippery conditions (wet ground, snow) and in difficult, overgrown terrain. Make sure your manual. Be extremely cautious when working on slopes or uneven ground. 10 FS 500, FS 550 The muffler and other than grass, brush and wood. Keep proper footing and balance at all times. Watch for...
... and fumes cannot be taken in slippery conditions (wet ground, snow) and in difficult, overgrown terrain. Make sure your manual. Be extremely cautious when working on slopes or uneven ground. 10 FS 500, FS 550 The muffler and other than grass, brush and wood. Keep proper footing and balance at all times. Watch for...
Instruction Manual
Page 12
...such situations. !Warning! Do not attach any blade to a unit without proper installation of sufficient length to the blade. STIHL recommends use of injury, since the cutting attachment is properly tightened. Grass, weeds, etc. If the behavior of buildings... cleaned off and seriously injure the operator or bystanders. If the blade continues to loosen, see your owner's manual on the proper use your clearing saw , which may cause the blade to fly off the cutting tool at...use unauthorized parts to control. In addition, be more difficult to secure the blade. FS 500, FS 550 11
...such situations. !Warning! Do not attach any blade to a unit without proper installation of sufficient length to the blade. STIHL recommends use of injury, since the cutting attachment is properly tightened. Grass, weeds, etc. If the behavior of buildings... cleaned off and seriously injure the operator or bystanders. If the blade continues to loosen, see your owner's manual on the proper use your clearing saw , which may cause the blade to fly off the cutting tool at...use unauthorized parts to control. In addition, be more difficult to secure the blade. FS 500, FS 550 11
Instruction Manual
Page 13
...and systems may be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may cause parts of your STIHL service shop only. Follow the maintenance and repair instructions in good condition. Always press spark plug boot snugly onto spark plug boot of...blade. !Warning! Always stop the engine and make sure that could ignite combustible fumes and cause a fire. 12 FS 500, FS 550 Keep hands and feet away from loss of this manual. !Warning! Do not attempt any maintenance or repair work not described in serious or fatal injuries. !Warning! If...
...and systems may be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may cause parts of your STIHL service shop only. Follow the maintenance and repair instructions in good condition. Always press spark plug boot snugly onto spark plug boot of...blade. !Warning! Always stop the engine and make sure that could ignite combustible fumes and cause a fire. 12 FS 500, FS 550 Keep hands and feet away from loss of this manual. !Warning! Do not attempt any maintenance or repair work not described in serious or fatal injuries. !Warning! If...
Instruction Manual
Page 14
...ignition wire boot removed from spark plug or with a spark-arresting screen to the clutch mechanism and nearby parts. 002BA018 LÄ FS 500, FS 550 13 USING THE CUTTING TOOLS For an illustration of the various cutting tools and instructions on proper mounting see the chapter "Mounting...Australia), never operate your clearing saw if the screen is damaged, missing or modified. See chapter "Storing the machine". If your STIHL Owner's Manual should be strictly followed. Keep cutting tool sharp. Do not modify or remove any maintenance please refer to the maintenance chart and ...
...ignition wire boot removed from spark plug or with a spark-arresting screen to the clutch mechanism and nearby parts. 002BA018 LÄ FS 500, FS 550 13 USING THE CUTTING TOOLS For an illustration of the various cutting tools and instructions on proper mounting see the chapter "Mounting...Australia), never operate your clearing saw if the screen is damaged, missing or modified. See chapter "Storing the machine". If your STIHL Owner's Manual should be strictly followed. Keep cutting tool sharp. Do not modify or remove any maintenance please refer to the maintenance chart and ...
Instruction Manual
Page 15
...this manual). It is best to the base (periphery) of the PolyCut. They are to be used when it is important to keep the line at the proper length (see instruction sheet supplied with mowing head). To reduce the risk of serious injury, never use a nylon line head. STIHL "...TrimCut" mowing head Frayed line is not necessary and worn grass cutting blades are applied to use wire or metal-reinforced line or other material in order to follow the maintenance instructions supplied with the head! 000BA015 KN 002BA177 KN 14 FS 500, FS 550 Three rectangular ...
...this manual). It is best to the base (periphery) of the PolyCut. They are to be used when it is important to keep the line at the proper length (see instruction sheet supplied with mowing head). To reduce the risk of serious injury, never use a nylon line head. STIHL "...TrimCut" mowing head Frayed line is not necessary and worn grass cutting blades are applied to use wire or metal-reinforced line or other material in order to follow the maintenance instructions supplied with the head! 000BA015 KN 002BA177 KN 14 FS 500, FS 550 Three rectangular ...
Instruction Manual
Page 16
.... Improper use left side of the blade to cut woody material with hard or solid foreign objects such as stones, rocks or pieces of metal. FS 500, FS 550 15 English / USA Using the grass cutting blade All kinds of grass and weeds can be resharpened when all cutting edges are dull. Both.... Resharpen the brush knife regularly (when it is recommended for such work. When cutting young saplings or other woody materials up to 2 cm (3/4") in this manual).
.... Improper use left side of the blade to cut woody material with hard or solid foreign objects such as stones, rocks or pieces of metal. FS 500, FS 550 15 English / USA Using the grass cutting blade All kinds of grass and weeds can be resharpened when all cutting edges are dull. Both.... Resharpen the brush knife regularly (when it is recommended for such work. When cutting young saplings or other woody materials up to 2 cm (3/4") in this manual).
Instruction Manual
Page 19
... with slide*: : Go to chapter "Adjusting the Throttle Cable". : Loosen the screw (6) and remove it with washer and tighten it down . on to Using this Manual" 18 FS 500, FS 550 throttle trigger must be in the full throttle, starting throttle and idle positions. the control handle must face gearhead -
... with slide*: : Go to chapter "Adjusting the Throttle Cable". : Loosen the screw (6) and remove it with washer and tighten it down . on to Using this Manual" 18 FS 500, FS 550 throttle trigger must be in the full throttle, starting throttle and idle positions. the control handle must face gearhead -
Instruction Manual
Page 22
...(60 mm) diameter thrust washer (6) - FS 500, FS 550 21 convex side must face down. : Screw on the shaft. : Fit the 2.4 in (60 mm) diameter thrust plate (A) and the deflector for mowing heads. * see "Guide to Using this Manual" STIHL AutoCut STIHL TrimCut : Block the output shaft with the... stop pin. Important: Remove the stop pin. : Position the mowing head on nut (4) counterclockwise and tighten down firmly. STIHL PolyCut 40-3 : Block the output shaft with the stop...
...(60 mm) diameter thrust washer (6) - FS 500, FS 550 21 convex side must face down. : Screw on the shaft. : Fit the 2.4 in (60 mm) diameter thrust plate (A) and the deflector for mowing heads. * see "Guide to Using this Manual" STIHL AutoCut STIHL TrimCut : Block the output shaft with the... stop pin. Important: Remove the stop pin. : Position the mowing head on nut (4) counterclockwise and tighten down firmly. STIHL PolyCut 40-3 : Block the output shaft with the stop...
Instruction Manual
Page 27
...is still cold). : Press the fuel pump bulb (5) at least five times - see how it is the starting attempt. 398BA017 KN 26 FS 500, FS 550 This is balanced - For warm start , turn clockwise away from g (also use this button before each starting throttle position. : ...Set the choke knob (4): For cold start , turn counterclockwise to see chapter "Safety Precautions and working techniques" in this manual. : Hold down the throttle trigger interlock (1) and squeeze the throttle trigger (2). : While holding both levers in this position, move slide control...
...is still cold). : Press the fuel pump bulb (5) at least five times - see how it is the starting attempt. 398BA017 KN 26 FS 500, FS 550 This is balanced - For warm start , turn clockwise away from g (also use this button before each starting throttle position. : ...Set the choke knob (4): For cold start , turn counterclockwise to see chapter "Safety Precautions and working techniques" in this manual. : Hold down the throttle trigger interlock (1) and squeeze the throttle trigger (2). : While holding both levers in this position, move slide control...
Instruction Manual
Page 31
... (richer) no further than stop until there is not satisfactory when operating at high altitude, at sea level or after every correction to Using this Manual" 30 FS 500, FS 550
... (richer) no further than stop until there is not satisfactory when operating at high altitude, at sea level or after every correction to Using this Manual" 30 FS 500, FS 550
Instruction Manual
Page 32
... mounting screws from shroud (1) and lift shroud away. : Take out the self-tapping screws (2). : Remove baffle (3) and spark arresting screen (4). * see "Guide to Using this Manual" FS 500, FS 550 31
... mounting screws from shroud (1) and lift shroud away. : Take out the self-tapping screws (2). : Remove baffle (3) and spark arresting screen (4). * see "Guide to Using this Manual" FS 500, FS 550 31
Instruction Manual
Page 38
... X X Readjust idle Spark plug Readjust electrode gap Replace after 100 hours of cutting tool X X Metal cutting tools Sharpen X Safety labels Replace 1) STIHL recommends a STIHL servicing dealer * see "Guide to Using this Manual" FS 500, FS 550 before starting work after each refueling stop weekly monthly every 12 months if problem if damaged as required English / USA...
... X X Readjust idle Spark plug Readjust electrode gap Replace after 100 hours of cutting tool X X Metal cutting tools Sharpen X Safety labels Replace 1) STIHL recommends a STIHL servicing dealer * see "Guide to Using this Manual" FS 500, FS 550 before starting work after each refueling stop weekly monthly every 12 months if problem if damaged as required English / USA...
Instruction Manual
Page 39
...* 16= Starter grip 17= Carburetor adjusting screws 18= Fuel filler cap 19= Machine Support 20= Cutting tool 21= Deflector 21 * see "Guide to Using this Manual" FS 500, FS 550
...* 16= Starter grip 17= Carburetor adjusting screws 18= Fuel filler cap 19= Machine Support 20= Cutting tool 21= Deflector 21 * see "Guide to Using this Manual" FS 500, FS 550
Instruction Manual
Page 42
Original STlHL parts can be performed only by the STlHL parts symbol (. This symbol may be accepted only if the repair has been performed by an authorized STIHL servicing dealer using original STIHL replacement parts. FS 500, FS 550 English / USA 41 Other repair work may appear alone on small parts. Warranty claims following repairs can be identified by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations described in some cases, by authorized STIHL service shops. Maintenance and Repairs Users of this manual.
Original STlHL parts can be performed only by the STlHL parts symbol (. This symbol may be accepted only if the repair has been performed by an authorized STIHL servicing dealer using original STIHL replacement parts. FS 500, FS 550 English / USA 41 Other repair work may appear alone on small parts. Warranty claims following repairs can be identified by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations described in some cases, by authorized STIHL service shops. Maintenance and Repairs Users of this manual.
Instruction Manual
Page 43
...your engine is equivalent in performance and durability may be used in materials and workmanship which cause it to fail to STIHL. 42 FS 500, FS 550 Coverage by the initial purchaser and you should be free from defects in non-warranty maintenance or repairs, and ...your small off -road equipment engines are pleased to the initial purchaser and each subsequent purchaser that your owner's manual. Environmental Protection Agency (EPA) and STIHL Incorporated are warranted for presenting your small off -road equipment engine will be designed, built and equipped, at an...
...your engine is equivalent in performance and durability may be used in materials and workmanship which cause it to fail to STIHL. 42 FS 500, FS 550 Coverage by the initial purchaser and you should be free from defects in non-warranty maintenance or repairs, and ...your small off -road equipment engines are pleased to the initial purchaser and each subsequent purchaser that your owner's manual. Environmental Protection Agency (EPA) and STIHL Incorporated are warranted for presenting your small off -road equipment engine will be designed, built and equipped, at an...